为创作tab增加下拉刷新提升体验

lib/pages/creation/controller.dart

@@ -7,26 +7,39 @@ import 'package:flutter_easyloading/flutter_easyloading.dart';
 import 'package:flutter_vibrate/flutter_vibrate.dart';
 import 'package:get/get.dart';
 import 'package:loading_animation_widget/loading_animation_widget.dart';
+import 'package:pull_to_refresh/pull_to_refresh.dart';
 
 class CreationController extends GetxController {
   CreationController();
   final count = 0.obs;
   final list = [].obs;
+  RxBool enablePullDown = true.obs;
+  RxBool enablePullUp = false.obs;
+
   // RxList<Chat.ChatMessage>
   _initData() async {
     // ignore: invalid_use_of_protected_member
-    if (list.value.isEmpty) {
+    onRefresh();
+    // update(["creation"]);
+  }
+  /// 刷新数据
+  Future<void> onRefresh() async {
+    // if (list.value.isEmpty) {
       SelectAllEntity entity = await UserAPI.selectAll();
 
       if (entity.status == 200) {
         // list.addAll();
-        list.addAll(entity.data!);
+        if(entity.data?.isNotEmpty ?? false) {
+          list.clear();
+          list.addAll(entity.data!);
+        }
       }
-    }
-
-    // update(["creation"]);
+      refreshController.refreshCompleted();
+    // }
   }
 
+  final RefreshController refreshController = RefreshController();
+
   void onTap(item) async {
     EasyLoading.show(
         status: "加载中",

lib/pages/creation/widgets/grid.dart

@@ -6,6 +6,7 @@ import 'package:flutter_vibrate/flutter_vibrate.dart';
 import 'package:get/get.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:gradient_widgets/gradient_widgets.dart';
+import 'package:pull_to_refresh/pull_to_refresh.dart';
 
 import '../index.dart';
 import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
@@ -13,7 +14,7 @@ import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
 class GridWidget extends GetView<CreationController> {
   @override
   Widget build(BuildContext context) {
-    return CustomScrollView(
+    Widget customScrollView = CustomScrollView(
       slivers: [
         SliverPersistentHeader(
           pinned: true, //是否固定在顶部
@@ -222,6 +223,13 @@ class GridWidget extends GetView<CreationController> {
         // )
       ],
     );
+   return Obx(() => SmartRefresher(
+      enablePullDown: controller.enablePullDown.value,
+      enablePullUp: controller.enablePullUp.value,
+      onRefresh: controller.onRefresh,
+      controller: controller.refreshController,
+      child: customScrollView,
+    ));
 
     // return Container(
     //   alignment: Alignment.center,